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Old 01-20-2010, 02:19 AM   #1
fabbie
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Centos5 with IOmeter


Hi experts,
Did anyone encounter with an issue whereby the iometer's dynamo being run in Centos5 would corrupt the HDD's filesystem?

I experienced an issue like that, and I loss plenty of data because of the incident. A few server's HDD were corrupted.

The known issues in the official website is pretty outdated. Any idea on this? Are these issues fixed?
http://www.iometer.org/doc/issues.html

I was using Iometer_2006_07_27_linux.

Thanks.
 
Old 01-23-2010, 03:30 AM   #2
unSpawn
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I haven't got a clue but why would you be running Iometer_2006_07_27 when Sourceforge lists the latest release as iometer-2008-06-22-rc2?
 
Old 01-24-2010, 10:50 PM   #3
fabbie
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I went to the official iometer website and it only had 2006 for the latest download.
Anyway, the root cause of the issue was running the iometer on a logical volume instead of a physical volume.

Thank you very much.
--Fabian
 
Old 10-03-2010, 09:46 AM   #4
jackchen858
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Quote:
Originally Posted by fabbie View Post
I went to the official iometer website and it only had 2006 for the latest download.
Anyway, the root cause of the issue was running the iometer on a logical volume instead of a physical volume.

Thank you very much.
--Fabian
Heck, I downloaded the same version from offical site and it also corrupted a LVM partition on my VM. Luckily it's just a test VM. The VM is running 64bit Centos 5.4, iometer website only provided a 32bit linux package, not sure if this is the problem.
 
Old 10-03-2010, 09:59 AM   #5
jackchen858
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Quote:
Originally Posted by fabbie View Post
Anyway, the root cause of the issue was running the iometer on a logical volume instead of a physical volume.

Thank you very much.
--Fabian
I doubt this is the case. I run iometer on Windows and dynamo on Linux VM, on Windows iometer, it shows the "/" partition ( a LV) with a red "/", so I didn't even try it.

I choose /dev/sda2, which is a PV, after the testing, /dev/sda2 is corrupted.
 
Old 10-04-2010, 03:11 AM   #6
fabbie
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You /dev/sda2 was partitioned as Linux Native or Linux LVM?
I tested the IOmeter on a filesystem whose block device was partitioned as Linux Native and everything was fine. It corrupted the block device partitioned as LVM though.
 
Old 10-05-2010, 05:23 PM   #7
jackchen858
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Quote:
Originally Posted by fabbie View Post
You /dev/sda2 was partitioned as Linux Native or Linux LVM?
I tested the IOmeter on a filesystem whose block device was partitioned as Linux Native and everything was fine. It corrupted the block device partitioned as LVM though.
yes. /dev/sda2 is a LVM.
 
  


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